[Elecraft] [K3] K3 Rev C DSP with Low Freq Enhancement shipdate info; New swap out option on parts order page. CORRECTION

Paul Christensen w9ac at arrl.net
Sat Oct 10 19:54:11 EDT 2009


> Why was the improvement not applied to all audio outputs, or am I missing 
> something here?

When you go through the schematic and run the response calculations, those 
were the only changes necessary to improve low-end response for all Rx and 
Tx paths.

Take a look at what's happening before the ADC and after the DAC circuits. 
The K3 has some of the best designed audio circuits for a communications 
transceiver.

Paul, W9AC 



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